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Stock
In stock, usually ships within 24 hours
Usually ships in 1-3 days
Usually ships in 1-2 weeks
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Returns
If you are not satisfied with your purchase, please request a Return Material Authorization (RMA) by emailing your account representative or the general customer support address: customercare@fondriest.com
Why Buy from Fondriest
At Fondriest, we are committed to providing high quality products at affordable prices with the industry’s best support. Additionally, we offer:
- Discounts
High volume purchases lead to favorable pricing, which is passed on to the customer by way of discount off MSRP.
- Assembly, Test and Calibration
Sensors and instruments are assembled, tested and calibrated prior to shipment. A calibration report is included.
- Lifetime Technical Support
A knowledgeable staff of application engineers provides ongoing support for the life of the product.
- Product Training
Application engineers are available for webinars or personalized, on-site start-up and training. Extensive measurement technology, product troubleshooting and instrument repair workshops are offered at the factory.
- Extended Warranties
Warranties extended beyond factory standards are offered on many items to ensure a lasting useful life.
- Repair
A factory-authorized service center provides fast-turnaround product repair and annual maintenance.
- Rental
Rental equipment is available to minimize downtime and cover equipment needs when projects expand.
- Communications
Call, email or chat online with application engineers. Email correspondence is responsive and a toll free number is available for added convenience.
- Quick Ship
Many orders ship on the same day and expedited shipping is available. If a product cannot be shipped immediately, customers are notified by phone or email.
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Description
Features
- Utilizes luminescence lifetime detection of oxygen to provide the most stable measurements possible
- Microprocessor-controlled measurement system reduces drift and improves accuracy
- Easy to replace, durable membrane with a usable life of one year

| Image | Part # | Product Description | Price | Order | Stock |
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606150 | Model 6150 ROX optical dissolved oxygen sensor with self-cleaning wiper |
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| Image | Part # | Product Description | Price | Order | Stock |
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606144 | Model 6144 optical probe wiper pad kit, 20 pack of wiper pad strips |
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606625 | Model 6625 optical wiper kit, 2 pack, for use with YSI 6150, 6136, 6131, & 6132 optical probes |
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606155 | Model 6155 optical DO membrane kit |
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600-01 | 600OMS V2 Sonde with temperature/conductivity sensor |
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065862V2 | 600XL V2 Sonde with temperature/conductivity sensor |
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6820-03 | 6820 V2-1 Sonde with temperature/conductivity sensor |
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603V2-000 | 600XLM V2 Sonde with temperature/conductivity sensor |
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6820V2-01 | 6820 V2-2 Sonde with temperature/conductivity sensor |
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6920-40 | 6920 V2-1 Sonde with temperature/conductivity sensor |
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6920V2-01 | 6920 V2-2 Sonde with temperature/conductivity sensor |
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6600-00 | 6600 V2-2 Sonde with temperature/conductivity sensor |
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6600V2-00 | 6600 V2-4 Sonde with temperature/conductivity sensor |
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Details
The ROX optical sensor uses an integrated wiping system to provide anti-fouling in the most hostile environments. Durable mechanical features include a non-corroding titanium wiper shaft, replaceable wiper shaft seal, and a new switch controlled wiper parking system to prevent mis-parking.
The ROX sensing system is based on the luminescence lifetime method. This method was chosen because it offers the most stable, repeatable and sensitive method for oxygen detection, thus reducing sensor drift and prolonging deployment times.
YSI's optical DO membrane differs from the traditional electrochemical sensor membrane, requiring fewer steps for installation and less maintenance. ROX membranes will last for one year and are made of a durable material that is unlikely to be damaged in the field. The ROX sensor eliminates stirring dependency that was required of most traditional polarographic sensors.
- Range: 0 to 500%; 0 to 50 mg/L
- Resolution: 0.1%; 0.01 mg/L
- Accuracy (0 to 200%): +/-1% of reading or 1% air saturation, whichever is greater
- Accuracy (200 to 500%): +/-15% of reading
- Accuracy (0 to 20 mg/L): +/-0.1 mg/L or 1% of reading, whichever is greater
- Accuracy (20 to 50 mg/L): +/-15% of reading
- Warranty: 2 years

